Free services contain the tools you need to piece together an infographic of your own. You'll need some skills in Photoshop or similar graphic design software, such as the free , to put together your own piece.

StatSilk Statsilk offers a number of tools for creating interactive charts and maps, including its software. This web-based tool lets you plug in your own data to create custom data visualizations. Free data sets are available here, making it a great resource.

Creately you create simple graphics and flowcharts online for free. can export their work, and plans start at $5 a month.

Visual.ly offers an infographic-building tool, if you're only looking to use data from Facebook and Twitter.

When Free Isn't a Good Idea